April Weather in Rio Vista

Last updated: March 2, 2024

The weather in Rio Vista, United States, during April is characterized by an average temperature of 19°C (66°F). Highs can soar to 32°C (89°F), while lows may dip to 4°C (39°F). Typically, the humidity level in Rio Vista throughout April hovers around 78%.

4°C (39°F)

Minimum temperature

19°C (66°F)

Average temperature

32°C (89°F)

Maximum temperature

78%

Humidity

Precipitation and Sunshine hours

In April, Rio Vista averages 99 mm (3.9 inches) of rainfall, typically over the course of 8 rainy days. The month enjoys an average of 12 hours 59 minutes of daylight, with the sun shining for approximately 8 hours 43 minutes each day. Additionally, there is a 42% probability of sunny days during this period.

99 mm (3.9 inches)

Precipitation

8 rainy days

Rainy days

8 hours 43 minutes

Sunshine hours

42%

Chance of sun

UV Index

In April, the UV Index in Rio Vista reaches a maximum of 10, indicating a level of VeryHigh exposure. The most intense UV radiation typically occurs between 13:00 and 15:00, during which unprotected skin may burn in as little as 15 minutes.

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
  07:00 08:00 09:00 10:00 11:00 12:00 13:00 14:00 15:00 16:00 17:00 18:00 19:00
UVI 1 1 2 5 7 9 10 10 8 6 3 2 1
Exposure Low Moderate High VeryHigh High Moderate Low
Time to burn 45 min 30 min 25 min 15 min 25 min 30 min 45 min

Compare Rio Vista's Climate with Cities Worldwide